Reviews Carbon Dioxide Alarm

LYCHL Indoor Air Quality Monitor Formaldehyde Detector HCHO Monitor VOC Meter Temperature & Humidity Meter with Alarm Clock

  • ...nds. When the alarm is activated, any key can be used. During the alarm period, pressing any key will clear the alarm..
  • 【Portable and Easy to hang on】Comes with the adhesive strip.Design with hang hole. You can hang the HCHO monitor on the wall very easy or move it to place on the desk. The portable smart carbon dioxide detector can help us detect the carbon dioxide content in the living room, kitchen, bedroom, office, school, car, hotel, travel, camping, party, etc..
  • 【Flexible Power Supply&Warranty】Formaldehyde Meter is powered by 5V2A(USB cable comes, plug not included). If you would like to carry it out, 18650 battery will be recommended. AA battery is backup one.(Batteries not included). We offer 7*24 hour customer service and 12-month warranty.If you have any question, please contact us..
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Langkou Air Quality Monitor Indoor, Carbon Dioxide Detector Portable Carbon Dioxide Monitor, CO2/Temperature/Humidity Meter, NDIR Sensor, Confined Space Air Monitor Tester Alarm, for Room/Car/School

  • ...nsor to accurately analyze each particle, while the CO2 concentration sampling takes only 1.5s. Bringing together the world's top technology, it provides you with the most accurate air pollution monitoring..
  • 【SOUND ALARM & CO2 CONCENTRATION STAGE】- This Carbon Dioxide Detector is designed with 4 stages of CO2 concentration—normal stage /warning stage/dangerous stage/very dangerous stage. With our Carbon Dioxide Detector, you can set the alarm threshold between 800-2000ppm, and it will alert you when the detected CO2 concentration reaches the alarm threshold you set. Press and hold the ""down"" button to turn the buzzer on or off..
  • 【SIX BRIGHTNESS ADJUSTABLE】- Free to adjust the screen brightness of the instrument in daytime/nighttime according to your preference, Monitor Carbon Dioxide levels clearly in front of your eyes anytime, anywhere..
  • 【WHAT YOU GET】 - Air quality monitor indoor, charging cable, user manual, Langkou 12-months warranty & 24/7 customer support access via email and phone..
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Hydrofarm APCEM2 Autopilot Desktop CO2 Monitor & Data Logger, Data, White/Blue

  • CARBON DIOXIDE METER: Autopilot APCEM2 Desktop CO2 Monitor and Data Logger Monitors carbon dioxide, relative humidity, and temperature of your grow room or greenhouse on a clear LED screen.
  • MEMORY: Digital memory chart shows and records stats over an adjustable 24-hour or 7-day period.
  • The trend chart shows variable Min/Hr/Day/Wk for readings of CO2/RH/Temperature.
  • SENSOR & ALARM: 2-channel low drift NDIR gas sensor and audible alarm for low or high CO2 levels.
  • OPERATING TEMPERATURES: Operates in temperatures 32 to 122 degrees F.
  • Operating and storage relative humidity (RH): 0-95%, noncondensing.
  • FUNCTIONALITY: Features multiple hanging options with the hook-and-loop fastener along the back that attaches to an external battery pack (battery pack not included).
  • Green power supply is compatible with a standard smartphone charger.
  • Dimensions (L x W x D): 4.7 x 3.6 x 1.1 inches.
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Autopilot APCEM2 Desktop Hydroponic Gardening CO2 RH Temperature Monitor and Data Logger for Greenhouse or Grow Room, White/Blue, 2 Pack

  • CARBON DIOXIDE METER: Autopilot APCEM2 Desktop CO2 Monitor and Data Logger Monitors carbon dioxide, relative humidity, and temperature of your grow room or greenhouse on a clear LED screen (2 Pack).
  • MEMORY: Digital memory chart shows and records stats over an adjustable 24-hour or 7-day period.
  • The trend chart shows variable Min/Hr/Day/Wk for readings of CO2/RH/Temperature.
  • SENSOR & ALARM: 2-channel low drift NDIR gas sensor and audible alarm for low or high CO2 levels.
  • OPERATING TEMPERATURES: Operates in temperatures 32 to 122 degrees F.
  • Operating and storage relative humidity (RH): 0-95%, noncondensing.
  • FUNCTIONALITY: Features multiple hanging options with the hook-and-loop fastener along the back that attaches to an external battery pack (battery pack not included).
  • Green power supply is compatible with a standard smartphone charger.
  • Dimensions (L x W x D): 4.7 x 3.6 x 1.1 inches.
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Co2 Detector, Air Quality Monitor Indoor Carbon Dioxide Meter Temperature & Relative Humidity Sensor Digital Pollution Tester

  • Functions:New 3-in-1 air quality monitor for CO2 Detector,hazard assessment, temperature and humidity detection, intelligent alarm system, gas recognition algorithm, multiple anti-interference, air convection technology, greenhouse compensation calibration..
  • Carbon dioxide 1s/time real-time refresh. Using more professional infrared optical principles to accurately and quickly detect carbon dioxide..
  • LCD Display + Smart Backlight: Large LCD screen & smart backlight helps you to read more easily, CO2 concentration, Hcho, and Tvoc at a glance, even at a long distance! And its small size makes it convenient for you to carry it anywhere..
  • Note: Due to the unstable atmospheric environment, the sensor of this product is sensitive to the environment, and the data may fluctuate slightly!.
  • Application areas: agricultural planting, greenhouse vegetables, production warehouse, raw material processing, home interior, etc..
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Air Quality Monitor, 3-in-1 Combo CO2 Moisture Meter Pollution Meter, Sensor, Tester; Detect & Test Indoor Pollution, Carbon Dioxide Detector Temperature and Humidity Indoor

  • Functions:New 3-in-1 air quality monitor for CO2 Detector,hazard assessment, temperature and humidity detection, intelligent alarm system, gas recognition algorithm, multiple anti-interference, air convection technology, greenhouse compensation calibration..
  • High-performance chip is accurate and more outstanding..
  • Carbon dioxide 1s/time real-time refresh. Using more professional infrared optical principles to accurately and quickly detect carbon dioxide..
  • Large screen design, clear and easy to see.made of fine quality material, practical, easy to operate and use, has a long service life..
  • Application areas: agricultural planting, greenhouse vegetables, production warehouse, raw material processing, home interior, etc..
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Aquarium Co2 Diffuser, 2 Types Aquarium Diffuser Stainless Steel Carbon Dioxide Atomiser Fish Tank Supplies Aquarium Equipment

  • Material: The carbon dioxide diffuser is made of high-grade materials, non-toxic, safe, energy-saving and environmentally friendly..
  • Function: The carbon dioxide diffuser provides precise and clear carbon dioxide bubbles to provide a good living environment for aquatic plants..
  • Simplicity: The carbon dioxide diffuser is simple in design and has the best safety performance. It can also add decoration to the aquarium..
  • Easy to Install: The carbon dioxide diffuser is easy to install and very simple to use..
  • Performance: The carbon dioxide diffuser also has an excellent dissolution rate and can produce excellent effects for the aquarium..
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CO2 Carbon Dioxide Detector, 4-in-1 Indoor Air Quality Monitor Portable CO2 Monitor, Tester for Carbon Dioxide, Temperature and Relative Humidity, CO2 Meter with Alarm, for Grow Tents, Homes, Cars

  • ...nly monitoring the CO2 content, also can test the temperature & humidity. Air quality monitor is Keeper of family health, Perfect for home interior, such as living room, baby room, classroom, office and which closed places etc..
  • Necessity of Air Quality Monitor: Carbon dioxide (CO2) is not harmful to human body when it is low, but when it overs a certain amount, it will affect the breathing of humans (and other organisms). If serious, life is threatening. Thus, we have to monitor the CO2 content of air for keeping health..
  • Advanced NDIR Technology: Mini CO2 meter uses high precision NDIR sensor technology to detect carbon dioxide content accurately and quickly. and it can hazard assessment, when CO2 of air exceed the setting alarm value(alarm value: 1000 PPM), it will warn to remind people to open the window or turn on air purifier for keeping balance of air..
  • Air Semiconductor Sensor: 4-in-1 air quality monitor adpots intelligent air semiconductor sensor to test the temperature and humidity value of air. Compare with the common sensor, it is more sensitive, accurately and stable..
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CABINAHOME Indoor CO2 Meter Air Quality Monitor Temperature/Relative Humidity/CO2 Detector NDIR Channel Sensor & Data Logger for Home Office 0~9999ppm Range White

  • ❤【The Best Choice for Your Healthy Life】Because there is usually no indoor ventilation in winter, you can use carbon dioxide measuring equipment....
  • ❤【Long Life NDIR Sensor】The dual-channel NDIR sensor used in the CO2 monitor(the characteristics of high precision, high reliability) prevents....
  • ❤【Alarm Reminder and Data Storage】The CO2 detector has an automatic alarm function, the alarm range can be customized, manually set the range,....
  • ❤【Multifunctional Design】☀ 3.5 inch large TFT color capacitive touch screen.
  • ❤【Other Functions】Language Translation,According to your needs, it can be translated into multiple languages. English, Chinese, Spain,....
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Air Quality Monitor Indoor CO2 Meter, Accurate Tester with LCD Screen and Alarm Function for Formaldehyde(HCHO), TVOC, Temperature and Humidity, USB Charging

  • 【Real-Time Measurement】: The air quality monitor can accurately detect the level of Carbon Dioxide(CO2), Volatile Organic Compound(TVOC), Formaldehyde(HCHO), temperature and humidity, updates the measured results per second on the colorful display..
  • 【Accurate Measurement】: Adopted a high-precision infrared sensor and a built-in high-performance chip, which can accurately capture the weak current generated during the electrochemical reaction, to calculate the carbon dioxide measurement result..
  • 【Smart Alarm】: Air quality can be divided into three levels, GOOD, OK and POOR, when the measured air level turns into OK, the indicator will turn YELLOW and the device will sound “Bee--Bee” twice to remind you and when the measured air level turns into POOR, the indicator will turn RED and the device will sound “Bee--Bee--Bee” twice, you will see the color clearly with the large screen..
  • 【USB Charging】: Built-in 1200mAh Lithium Battery. Takes 2.5 hours to charge the battery, lasts 6 to 8 hours when it is fully charged..
  • 【Wide Application】: The device is ideal to monitor air quality in cafeterias, restaurants, schools, offices, greenhouse, factories, hotels, hospitals, etc. Note: Air changes constantly, the measured results will be affec....
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Plug-in Watt Kilowatt Meter Analyzer Tester Monitor Measuring Electricity Usage Electrical Power Energy Consumption Factor Frequency test kit Ammeter Voltmeter Household Company DIY tools

  • Electricity usage monitor: Monitor is the killer of the high-cost energy appliance, helping you lower power consumption and save money..
  • Various Parameters: Power(W), Energy (kWh), Voltage, ideal for energy consumption monitor..
  • Calculate Carbon Dioxide (CO2) emissions volume ,Record the power consumption,Record the power supply time.
  • Overload Alarm : Alarm is triggered when the preset value is exceeded. ABS fireproof material for safe use..
  • Application: Can be used in schools, offices, laboratories, factories and even at home to monitor power consumption of a connected or standby appliance..
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Aquarium CO2 Diffuse Atomizer, Dioxide Dissolve System for Fish Tank Easy Carbon Dioxide Diffuser CO2 Atomizer for Super Fish Tank Aquarium Equipment(Brown L)

  • APPLOICATION: For aquarium fish tank plant carbon dioxide dissolve system. Super micro hole atomization, U type air inlet bubble, invisible check valve..
  • ADVANTAGE: CO2 atomizer sturdy suction cup ensure it stays attaches to the side of the tank, and adopting nut locking system,and it is effective to lock carbon dioxide tube, high effect on dissolving CO2..
  • EFFECTIVE DIFFUSER: The refined carbon dioxide bubbles are small and fluid, good for fish to run photosynthesis and mprove the growth and health of your plants..
  • SPECIAL DESIGN: Designed for screw lock on the CO2 tube, no need to worry the tube loose off by the pressure and caused damage..
  • QUALITY WORKMANSHIP: Carbon dioxide diffuser made of high quality ABS material, soft and warm, safe and durable..
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Amprobe CO2-100 Handheld Carbon Dioxide Meter

  • Handheld digital meter measures ambient level of carbon dioxide (CO2) to monitor indoor air quality and performance of heating, ventilation, and air-conditioning systems.
  • Displays current CO2 levels, long-term average CO2 levels measured over an 8-hour period, and short-term average CO2 levels measured over a 15-minute period.
  • Alarm notifies operator when CO2 levels reach or exceed a preset threshold, CO2 measurement up to 9999 ppm.
  • Liquid crystal display (LCD) shows ambient CO2 levels, as well as air, wet bulb, or dew point temperature and humidity.
  • Manual calibration helps ensure accurate humidity and CO2 readings.
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